[INFO] fetching crate num-traits 0.2.19...
[INFO] building num-traits-0.2.19 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044
[INFO] extracting crate num-traits 0.2.19 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate num-traits 0.2.19 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num-traits 0.2.19
[INFO] finished tweaking crates.io crate num-traits 0.2.19
[INFO] tweaked toml for crates.io crate num-traits 0.2.19 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391f7f647f124e0c728b4e0cd82a54831a8f8622da7be5b9300fe37ac17d1113
[INFO] running `Command { std: "docker" "start" "-a" "391f7f647f124e0c728b4e0cd82a54831a8f8622da7be5b9300fe37ac17d1113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391f7f647f124e0c728b4e0cd82a54831a8f8622da7be5b9300fe37ac17d1113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391f7f647f124e0c728b4e0cd82a54831a8f8622da7be5b9300fe37ac17d1113", kill_on_drop: false }`
[INFO] [stdout] 391f7f647f124e0c728b4e0cd82a54831a8f8622da7be5b9300fe37ac17d1113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb900eaf66e35f5dc281f5ef6f349ae79b5a7bb42ba1b255386f14d5c3e769f
[INFO] running `Command { std: "docker" "start" "-a" "6cb900eaf66e35f5dc281f5ef6f349ae79b5a7bb42ba1b255386f14d5c3e769f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "6cb900eaf66e35f5dc281f5ef6f349ae79b5a7bb42ba1b255386f14d5c3e769f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb900eaf66e35f5dc281f5ef6f349ae79b5a7bb42ba1b255386f14d5c3e769f", kill_on_drop: false }`
[INFO] [stdout] 6cb900eaf66e35f5dc281f5ef6f349ae79b5a7bb42ba1b255386f14d5c3e769f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be447a785a12c6fd9ea846c9715714f4574d2fdc1ebb726eab62c8453b81f820
[INFO] running `Command { std: "docker" "start" "-a" "be447a785a12c6fd9ea846c9715714f4574d2fdc1ebb726eab62c8453b81f820", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "be447a785a12c6fd9ea846c9715714f4574d2fdc1ebb726eab62c8453b81f820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be447a785a12c6fd9ea846c9715714f4574d2fdc1ebb726eab62c8453b81f820", kill_on_drop: false }`
[INFO] [stdout] be447a785a12c6fd9ea846c9715714f4574d2fdc1ebb726eab62c8453b81f820